华北二点委夜蛾种群动态监测及北京北部地区虫源性质分析

›› 2013, Vol. 56 ›› Issue (10): 1189-1202.doi:

华北二点委夜蛾种群动态监测及北京北部地区虫源性质分析

张智^1，3，张云慧¹，姜玉英²，谢爱婷³，魏书军⁴，程登发^1,*，蒋金炜⁵，张方梅¹，彭赫¹

（1. 中国农业科学院植物保护研究所，植物病虫害生物学国家重点实验室，北京 100193;
2. 全国农业技术推广服务中心，北京100125; 3. 北京市植物保护站，北京 100029；
4. 北京市农林科学院植物保护环境保护研究所，北京 100197; 5. 河南农业大学植物保护学院，郑州 450002）

出版日期:2013-10-20 发布日期:2013-10-20

Monitoring of the population dynamics of Proxenus lepigone (Lepidoptera: Noctuidae) in North China and analysis of the source of its populations in northern Beijing

ZHANG Zhi^1,3, ZHANG Yun-Hui¹, JIANG Yu-Ying², XIE AiTing³, WEI Shu-Jun⁴, CHENG Deng-Fa^1,*, JIANG Jin-Wei⁵, ZHANG Fang-Mei¹, PENG He¹

(1. State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; 2. National AgroTechnical Extension and Service Centre, Beijing 100125, China; 3. Beijing Plant Protection Station, Beijing 100029, China; 4. Institute of Plant and Environment Protection, Beijing Academy of Agricultural and Forestry Sciences, Beijing 100197, China; 5. College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China)

Online:2013-10-20 Published:2013-10-20

摘要/Abstract

摘要： 二点委夜蛾Proxenus lepigone是玉米生产中的一种新发害虫， 2011年曾在黄淮海夏玉米主产区全面暴发，对夏玉米生产构成严重威胁。为了明确二点委夜蛾的种群动态，探讨北京北部二点委夜蛾种群是否为迁入虫源， 2012年，在华北地区的河北省栾城县、北京市区和北京延庆县等地，利用高空探照灯诱虫器、垂直监测昆虫雷达等对二点委夜蛾成虫进行了监测，并结合气象资料，对北京延庆的虫源性质进行了综合分析。结果表明：二点委夜蛾老熟幼虫作茧后可在北京延庆越冬。2012年，北京延庆诱集二点委夜蛾累计33 951头，可划分为3个世代。第1代成虫的诱集数量不符合正态分布，且在姊妹灯下的数量差异符合迁飞种类的特点。在当地条件不适宜的情况下，北京延庆监测点第1代成虫日均诱虫数量高于条件相对适宜的河北栾城。在北京延庆，第1代成虫的逐日诱集数量与空中风向密切相关。雷达监测还表明二点委夜蛾可能是雷达回波的目标。综合以上证据表明，北京延庆第1代成虫包含从周边迁飞而来的个体，二点委夜蛾可能是一种兼性迁飞昆虫。本研究可为二点委夜蛾成虫能否远距离迁飞提供例证，对今后提高其预测预报和防治水平具有重要意义。

关键词: 二点委夜蛾, 高空探照灯诱虫器, 迁飞, 监测预警, 轨迹分析, 虫源, 华北

Abstract: The Proxenus lepigone, a new pest insect of maize production in China, suddenly outbroke in the Huang-Huai-Hai plain in 2011, which threatened the production of summer maize. In order to know the population dynamics of P. lepigone to ascertain whether this species could migrate or not, monitoring on P. lepigone moths was respectively carried out in Luancheng, Hebei province, and the urban and Yanqing county of Beijing with searchlight traps and vertical-looking insect monitoring radar. The properties of their source were determined by combining the population sizes with the meteorological data. From this study, we clarified that the mature larvae with cocoon could overwinter in Yanqing, Beijing. During the monitoring season in 2012, the trapped moths summed up to 33 951, which included 3 generations. Population size of the 1st generation did not meet the normal distribution, and differences of catch sizes in sister-light traps suggested that P. lepigone is a migratory species. The environment was not suitable for P. lepigone in Yanqing, Beijing, but the average trapped catch size was higher than that of Luancheng, Hebei. Furthermore, the catch sizes were considered to be related to the direction of airflow and P. lepigone moths could be the targets of echoes of radar. These evidences approve that the trapped moths of the 1st generation must include the individuals migrating from surrounding regions and this species is supposed to be a facultative migratory species. This study provides some migration events for the future study of this species, which would benefit the related forecasting and integrated control.

Key words: Proxenus lepigone, searchlight trap, migration behavior, monitoring and forecasting, trajectory analysis, population source, North China

张智，张云慧，姜玉英，谢爱婷，魏书军，程登发，蒋金炜，张方梅，彭赫. 华北二点委夜蛾种群动态监测及北京北部地区虫源性质分析[J]. , 2013, 56(10): 1189-1202.

ZHANG Zhi, ZHANG Yun-Hui, JIANG Yu-Ying, XIE AiTing, WEI Shu-Jun, CHENG Deng-Fa, JIANG Jin-Wei, ZHANG Fang-Mei, PENG He. Monitoring of the population dynamics of Proxenus lepigone (Lepidoptera: Noctuidae) in North China and analysis of the source of its populations in northern Beijing[J]. , 2013, 56(10): 1189-1202.

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链接本文: http://www.insect.org.cn/CN/

http://www.insect.org.cn/CN/Y2013/V56/I10/1189

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